12

5

33

121

31

49

111

961

8

15

34

42

n + 17

17n

n - 17

n divided by 17

n divided by 76

76 - n

n - 76

n + 76

2x + 9

x(2 + 9)

2(x + 9)

2 + x + 9

addition

subtraction

multiplication

division

10x²

x + 10

6x

2x

1/4

25/49

1 24/25

3 3/4

23

81

18

32

4

8

48

24

-47

47

1/47

-1/47

I

II

III

IV

0.8, 0.73, 0.75

0.8, 0.75, 0.73

0.75, 0.73, 0.8

0.73, 0.75, 0.8

-4

0

1

4

3/5

5

8

15

5

10

$4.25

$4.29

$29.75

$87.43

59

57

63

65

20 oz

16 oz

15 oz

10 oz

12.3

85.71

10.5

1050

$0.05

$5.00

$20.00

$30.00

4.08

40.8

86

408

$27.04

$1.04

$24.96

$31.49

0.3 L

3 L

30 L

300 L

18

48

12

24

63

41

9

31.5

8 L

800 L

17,160

34,320

5,721

17,095